CPU-50GT/256-300-4-2 FORCE

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模块发热严峻

　　电源模块在电压变换进程中有能量损耗，发生热能导致模块发热，下降电源的变换功率，影响电源模块正常工作，但什么情况下会形成电源模块发热较严峻呢?

　　l运用的是线性电源模块;

　　l负载过流;

　　l负载太小：负载功率小于模块电源输出功率的10%，都会有可能会导致模块发热(功率太低);

　　l环境温度过高或散热不良。

　　热成像仪观测下的发热电源模块如图2所示：

　　解决方法：

　　1)运用线性电源时要加散热片;

　　2)进步电源模块的负载，保证不小于10%的额定负载;

　　3)下降环境温度，坚持散热杰出。

　　四、输出噪声较大

　　噪声是衡量电源模块好坏的一大要害目标，在运用电路中，模块的规划布局等也会影响输出噪声，哪些因素对输出噪声有较大影响呢?

　　l电源模块与主电路噪声灵敏元件间隔过近;

　　l主电路噪声灵敏元件的电源输入端处未接去耦电容;

　　l多路体系中各单路输出的电源模块之间发生差频搅扰;

　　l地线处理不合理。

　　ZDS2024示波器测验有较大噪声搅扰问题的电源模块，如图3所示：

　　解决方法：

　　1)将电源模块尽可能远离主电路噪声灵敏元件或模块与主电路噪声灵敏元件进行隔离;

　　2)主电路噪声灵敏元件(如：A/D、D/A或MCU等)的电源输入端处接0.1μF去耦电容;

　　3)运用一个多路输出的电源模块替代多个单路输出模块差频搅扰;

　　4)选用远端一点接地、减小地线环路面积。

　　               用诚信的心，真诚的为您服务！

CPU-2CE/16 

CPU-3CE/16 

CPU-3CE/32-40-1 

CPU-3CE/64-40-1 

CPU-5CE/16-85-2 

CPU-5CE/32-85-2 

CPU-5CE/64-85-2 

CPU-5TE/16-85-0 

CPU-5V/64-100-2 

CPU-5V/64-110-2 

IOBP-10 

CPU-8VT/64-170-2 

CPU-20 Series

CPU-30BE 

CPU-30ZBE 

CPU-33XB 

CPU-33XN 

CPU-40B/16 

CPU-40B/16-01 

CPU-40B/16-02 

CPU-40B/4 

CPU-50/128-333-4-2 

CPU-50/256-333-4-2 

CPU-50GT/256-300-4-2

CPU-50GT/256-333-4-2 

CPU-50T/256-300-4-2 

CPU-50T/256-333-4-2 

SCSI-BP4 

CPU-60D/32/C3 

6604E/16-200 

CPCI-731 

CPCI-761 

IOBP-731 

PMC860-40-E1-75 

SCSI-BP4 

IOBP-731 

IOBP-10 

IBC-20-1

SYS68K/PIO-1  

CPCI-910 

CPU-5V/64-110-2/C13  

Force SPARC/CPU-10/128-1251 SPARC/CPU-10/128-1251H1 VME  

Force SPARC CPU-5VT VME Board  

FORCE SPARC CPU-3CE/16-40-1 P/N 501015 Network #B89 

Force Sparc CPU-3CE/16 VME Processor Board  

Force Sparc CPU-10/32 VME SBC computer board  

Force Sparc CPU-2CE/16 VME SBC computer board with GPIB 

Force CPCI-550 sparc/cpci-550  

Force SPARC CPU-2s/32 VME SI 600-11573-201  

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD  

Force SPARC CPU-3CE/16 Network 501015 Board #F15 

FORCE SPARC CPU-3CE/32-40-1 P/N 501016 Network #B90 

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD  

Force Sparc CPU-20VT VME SBC computer board  

Force VME Sparc CPU Military Avionics   

Force Sparc/CPU-10/128-51-1  B 

FORCE SPARC CPU-3CE/8 NETWORK  

FORCE SPARC CPU-10/9U BOARD  

Force SPARC CPU-3CE/16-40-1 501015 Network Board #B61 

FORCE SPARC CPU-5CE/16 VME SBUS MAINFRAME. CARD  

Force SPARC CPU-3CE/16 Network 501015 Board #F16  

Force Sparc/mem-50 213802 RevAA Memory Stick #F37  

Force SPARC CPCI-523G 256-300-4-2 CompactPCI Card 

Force Sparc/CPU-10/64-40-1

Force SYS68K CPU-30Lite  

FORCE SYS68K DRAM VME BOARD MVME MAINFRAME. MOTOROLA 

Force SYS68K/CPU-6 880-12537-101.A?2 LAM 810-17034-300-1  

FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME. MOTOROLA  

Force SYS68K/CPU-6VB P/N 100611 LAM reseach 17034-3-C  

FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME. MOTOROLA  

FORCE COMPUTERS SYS68K CPU-6A  

FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA  

FORCE SYS68K CPU-30BE/16 VME BOARD 

Force SYS68K/SIO-2 P/N 310004  

Force SYS68K CPU-33B/4 VME Board  

Force SYS68K/SASI-1  

FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062)  

FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A  

FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX  

Force SYS68K CPU30ZBE CPU-30ZBE CPU Module VMEbus VME  

FORCE SYS68K CPU BOARD 310004 WORKING   

Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098 

FORCE COMPUTERS SYS68K/CPU-6VA USPP SYS68KCPU6VA CIRCUIT CARD 

BUS TRONIC FORCE SYS68K MAINFRAME. BOARDS NICE LOT  

Force SYS68K/ISIO-2 I/O Controller Board PN: 310031  

Force SYS68K ISIO-1 Serial I/O Board  

BioRad SYS68K CPU-30ZBE FORCE 25MHZ VME CPU BOARD  

FORCE COMPUTER VME BOARD MODEL SYS68K REV C 

FORCE SYS68K ISIO-2 MODULE ASSY  

Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  

Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 PN: 600-1  

Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module 

Force SYS68K/CPU-33B/4 VME Board CAT#: 510098  

Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable  

Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  

FORCE PROCESSOR BOARD Model SYS68K ASCU-2  

Force SYS68K/ISIO-2 I/O Controller Board PN: 310031 

Force SPARC/CPU-10/128-1251 SPARC/CPU-10/12?8-1251H1 VME  

A64520 Force Computers Sparc CPU-24VTF Board  

Force CPCI-550 sparc/cpci-550 

Force Sparc CPU-3CE/16 VME Processor Board  

Force SPARC CPU-2s/32 VME SI 600-11573-201  

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD  

Force Sparc/CPU-10/12?8-51-1

FORCE SPARC CPU-5V CPU-5V/64-100-2 VME MAINFRAME. CARD 

Force SPARC CPU-3CE/16-40-1 501015 Network Board #B61 

FORCE SPARC CPU-3CE/16-40-1 P/N 501015 Network #B89 

Mercury Themis Force VME Sparc CPU Military Avionics 

FORCE SPARC CPU-3CE/32-40-1 P/N 501016 Network #B90  

FORCE SPARC CPU-10/9U BOARD  

FORCE SPARC CPU-3CE/32-40-1 P/N 00157-001 Network #B91  

MOTOROLA FORCE SPARC CPU-5CE/16 VME SBUS MAINFRAME. CARD  

FORCE SPARC CPU-3CE/8 NETWORK 

Force SPARC CPCI-523G 256-300-4-2 CompactPCI Card  

Force Sparc/CPU-10/64-40-1

 Force SYS68K/CPU-6 880-12537-101.A2 LAM 810-17034-300-1 

 FORCE SYS68K CPU-2VF VME SINGLE BOARD COMPUTER MOTOROLA 

 Force SYS68K/CPU-6VB P/N 100611 LAM reseach 17034-3-C 

 FORCE SYS68K DRAM VME BOARD MVME MAINFRAME. MOTOROLA 

 Force SYS68K CPU-30

 FORCE SYS68K SRAM-4A VME BOARD MVME MAINFRAME. MOTOROLA 

 FORCE COMPUTERS SYS68K CPU-6A 

 FORCE SYS68K CPU-30BE/16 VME BOARD 

 FORCE SYS68K ISCSI-1 VME BOARD MVME MAINFRAME. MOTOROLA  

 Force SYS68K ISIO-1 Serial I/O Board 

 FORCE COMPUTER CPU BOARD SYS68K CPU-1B NEW-NO BOX  

 Force SYS68K CPU-33B/4 VME Board

 Force SYS68K/SIO-2 P/N 310004  

 Force SYS68K/SASI-1  

 FORCE SYS68K ISIO-2 MODULE ASSY 

 FORCE CONTROL BOARD SYS68K ISI0-2/C2 (P/N 220062) 

 FORCE COMPUTER VME BOARD MODEL SYS68K REV C  

 FORCE COMPUTERS SYS68K/CPU-6VA USPP SYS68KCPU6VA

 FORCE COMPUTER MODEL SYS68K SASI-1441 LAM REV A  B

 FORCE SYS68K CPU BOARD 310004 WORKING   

 BUS TRONIC FORCE SYS68K MAINFRAME. BOARDS NICE LOT 

 Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 PN: 600-1  

 FORCE SYS68K/CPU-30BE/8 REMOVED FROM BIORAD SYSTEM 

 Force SYS68K/ISIO-1FP I/O Controller Dual Board w Cable 

 Force SYS68K/CPU-30BE SYS68K/CPU-30BE?/16/C2 VME Module 

 Force SYS68K/CPU-33B/4 VME Board CAT#: 510098 

 Force SYS68K/ISIO-2 I/O Controller Board PN: 310031 

 Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034  

 Force SYS68K/ISIO-2 I/O Controller Board PN: 310031  

 FORCE PROCESSOR BOARD Model SYS68K ASCU-2 

 Force SYS68K CPU30ZBE CPU-30ZBE CPU Module VMEbus VME 

 Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034 

 Force SYS68K/CPU-33B/4 VME Board CAT#: 510098